Apparatus for cooling extruded material

Details Apparatus for cooling extruded material Apparatus for cooling extruded material

1990-06-25

1992-04-28

Housel, James C.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

26421113, 26421118, 425143, 425404, 425445, B29C 4788

Patent

active

051082772

ABSTRACT:
An apparatus is located downstream of an extruder for cooling extruded material exiting the extruder. The apparatus includes a housing having a material passage. The material passage is dimensioned so as to have a larger cross section than a cross section of the extruded material. The apparatus further includes a system for controlling the temperature of at least a portion of the housing. The apparatus further includes a plurality of fluid passages in the housing and connectable to a source of pressurized fluid for providing fluid communication between the source of pressurized fluid and the material passage in the housing. The fluid passing through the fluid passages changes to a temperature having a value functionally related to the temperature of the temperature-controlled portion of the housing. The pressurized fluid passing through the fluid passages supports and cools the extruded material as the extruded material passes through the material passage.

REFERENCES:
patent: 3221084 (1965-11-01), Peticolas
patent: 3280429 (1966-10-01), Haley
patent: 3668288 (1972-06-01), Takahashi
patent: 3769380 (1973-10-01), Wiley
patent: 4543051 (1985-09-01), Maillefer
patent: 4689000 (1987-08-01), Kouichi et al.
patent: 4808098 (1989-02-01), Chan et al.

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